Electricity: Electric Ciruits

Electric Circuits: Audio Guided Solution

Problem 2:

The large window air conditioner in Anita Breeze's room draws 11 amps of current. The unit runs for 8.0 hours during the course of a day. Determine the quantity of charge that passes through Anita's window AC during these 8.0 hours.

Audio Guided Solution

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Habits of an Effective Problem Solver

Read the problem carefully and develop a mental picture of the physical situation. If necessary, sketch a simple diagram of the physical situation to help you visualize it.

Identify the known and unknown quantities and record them in an organized manner. Equate given values to the symbols used to represent the corresponding quantity - e.g., ΔV = 9.0 V; R = 0.025 Ω; I = ???.

Use physics formulas and conceptual reasoning to plot a strategy for solving for the unknown quantity.

Identify the appropriate formula(s) to use.

Perform substitutions and algebraic manipulations in order to solve for the unknown quantity.